Attention

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Questions and Answers

What is the primary function of the attenuator in Treisman's Attenuation Model?

  • To allow all messages to pass through at full strength
  • To analyze incoming messages and reduce their strength accordingly (correct)
  • To store messages in short-term memory
  • To completely eliminate unattended messages

In Broadbent's Early Selection Model, what is the role of the filter?

  • To discard all incoming information after processing
  • To identify and pass on only the attended message based on physical characteristics (correct)
  • To select messages based on meaning and context
  • To store attended messages for future retrieval

What does the 'cocktail party effect' illustrate about selective attention?

  • Unattended information does not reach the listener's awareness at all.
  • Persons can detect and be aware of certain unattended messages, like their name. (correct)
  • People can only focus on one message at a time without distractions.
  • Listener's memory is unaffected by competing messages.

What is the first stage of analysis in Treisman's Attenuation Model?

<p>Pre-attentive analysis (D)</p> Signup and view all the answers

In the context of cognitive load, what typically happens during divided attention tasks?

<p>Increased cognitive load can impair performance and identify details. (A)</p> Signup and view all the answers

Which factor plays a significant role in selecting messages during pre-attentive analysis?

<p>The physical characteristics of the message (A)</p> Signup and view all the answers

What is meant by 'flanker compatibility task'?

<p>A test of how well individuals can ignore irrelevant stimuli while focusing on relevant ones (D)</p> Signup and view all the answers

In Treisman's model, what threshold do common words have in the dictionary unit?

<p>Low threshold, allowing for easier activation (D)</p> Signup and view all the answers

What is the primary outcome of Cherry’s Dichotic Listening experiment?

<p>Listeners are only able to consistently identify the attended message. (C)</p> Signup and view all the answers

Which of the following describes the concept of input attention?

<p>Automatic processing of information with minimal resource allocation (D)</p> Signup and view all the answers

What does the early selection effect primarily influence during perceptual processing?

<p>Excludes distractors from early perceptual processing (D)</p> Signup and view all the answers

In the context of late selection, what happens to distractors that are processed?

<p>They are discarded by current goals (B)</p> Signup and view all the answers

According to Lavie's research, what condition leads to greater distractor effects?

<p>Low perceptual load (C)</p> Signup and view all the answers

What is a key feature of the Flanker compatibility task?

<p>Compatible flankers speed up response time (C)</p> Signup and view all the answers

What is the main characteristic of cognitive resources as described in the content?

<p>They are finite and can become depleted (C)</p> Signup and view all the answers

What happens during automatic processing after enough practice?

<p>It occurs without intent and demands fewer resources (C)</p> Signup and view all the answers

In the late selection model, what is the primary processing level before selection?

<p>Meaning-processing (C)</p> Signup and view all the answers

Which type of attentional control allows for automatic task completion under practice?

<p>Automatic processing (A)</p> Signup and view all the answers

How can change blindness be best described?

<p>Difficulty detecting changes due to lack of focused attention (A)</p> Signup and view all the answers

What role does stimulus salience play in eye movements?

<p>It increases the likelihood of unintended gaze shifts (D)</p> Signup and view all the answers

Which is often the primary method through which exogenous attention is captured?

<p>Sudden visual or auditory stimuli (C)</p> Signup and view all the answers

What does the term 'enduring dispositions' refer to in attention theories?

<p>Control of involuntary attention due to pop-out features (C)</p> Signup and view all the answers

In a varied mapping condition during memory search tasks, participants struggle mainly because:

<p>The conflicts between targets and distractors change with each trial (A)</p> Signup and view all the answers

What effect does cognitive load have on attentional control during multitasking?

<p>Limits available cognitive resources for other tasks (A)</p> Signup and view all the answers

What type of attention involves focusing on multiple stimuli simultaneously?

<p>Divided attention (B)</p> Signup and view all the answers

Selective attention only allows for the processing of attended messages without any interference from unattended messages.

<p>False (B)</p> Signup and view all the answers

What is the phenomenon where a person hears their name from an unattended conversation?

<p>Cocktail party effect</p> Signup and view all the answers

In Treisman's Attenuation Model, the unit that contains stored words is called the ______.

<p>dictionary unit</p> Signup and view all the answers

Match the types of attention with their definitions.

<p>Selective attention = Focusing on a specific stimulus Overt attention = Moving eyes to shift focus Covert attention = Directing focus without eye movement Divided attention = Attending to multiple stimuli simultaneously</p> Signup and view all the answers

Which model suggests that filtering based on physical characteristics happens at the early stage?

<p>Broadbent’s Early Selection Model (B)</p> Signup and view all the answers

In Moray's shadowing experiment, participants were able to recall specific details from the unattended messages.

<p>False (B)</p> Signup and view all the answers

What is the first stage of processing in Treisman's model where messages are identified?

<p>Pre-attentive analysis</p> Signup and view all the answers

Broadbent's model asserts that all unattended messages are ______ and not processed for consciousness.

<p>filtered out</p> Signup and view all the answers

Which of the following is a characteristic that affects people's ability to identify attended messages?

<p>Both A and B (C)</p> Signup and view all the answers

What does the early selection effect primarily prevent?

<p>Distractors from being processed (A)</p> Signup and view all the answers

The Stroop effect demonstrates that reading words is generally easier than identifying ink colors.

<p>True (A)</p> Signup and view all the answers

Define cognitive load.

<p>The amount of cognitive resources required to perform a specific task.</p> Signup and view all the answers

Under high perceptual load, capacity is fully engaged, preventing __________ stimuli from intruding.

<p>task-irrelevant</p> Signup and view all the answers

Match the term with its definition:

<p>Inattentional blindness = Failure to notice a visible stimulus while focused on another task Change blindness = Difficulty in detecting changes in a scene Exogenous attention = Automatic attraction to a sudden stimulus Endogenous attention = Conscious allocation of attention to a stimulus</p> Signup and view all the answers

Which of the following statements is true regarding automatic processing?

<p>It occurs without intention after practice. (A)</p> Signup and view all the answers

Distractor effects are greater in high perceptual load conditions.

<p>False (B)</p> Signup and view all the answers

What is the flanker compatibility effect?

<p>The influence of flanker stimuli on reaction time, either facilitating or slowing responses based on their compatibility with the target.</p> Signup and view all the answers

High cognitive load leads to a __________ in the ability to allocate resources to multiple tasks.

<p>disruption</p> Signup and view all the answers

Which of the following best describes the results of a memory search task under varied mapping conditions?

<p>Participants struggled to process targets due to frequently changing rules. (B)</p> Signup and view all the answers

Inattentional blindness is when a person is aware of all stimuli in their surroundings.

<p>False (B)</p> Signup and view all the answers

What are enduring dispositions?

<p>Factors that involuntarily capture attention due to inherent characteristics of a stimulus.</p> Signup and view all the answers

Saccadic eye movements refer to the quick movements of the eyes between __________.

<p>fixations</p> Signup and view all the answers

What is the relationship between practice and performance in tasks like Tetris?

<p>Performance improves as tasks become automated. (C)</p> Signup and view all the answers

Match the following attention theories/phenomena with their descriptions:

<p>Flanker effect = Influence of distractors on target response times Stroop effect = Difficulty in naming ink colors due to word reading Change blindness = Failure to notice changes in visual scenes Cognitive load = Amount of resources needed for a task</p> Signup and view all the answers

What primarily determines whether a message is attended to in Broadbent's Early Selection Model?

<p>The speaker’s tone of voice (B)</p> Signup and view all the answers

In Treisman's model, attended messages are fully processed while unattended messages are completely blocked from any processing.

<p>False (B)</p> Signup and view all the answers

What concept explains the ability to ignore irrelevant stimuli while focusing on a primary task?

<p>Selective attention</p> Signup and view all the answers

The memory search task shows that response time (RT) __________ as the memory-set size increases.

<p>increases</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Early Selection = Filtering based on physical characteristics Late Selection = Processing of stimuli based on relevance after full analysis Attenuation = Reduction in the strength of unattended stimuli Flanker Effect = Impact of irrelevant stimuli on task performance</p> Signup and view all the answers

What type of processing allows for focused attention in the presence of distractors?

<p>Controlled processing (D)</p> Signup and view all the answers

In the compatible flanker condition, response times tend to be slower.

<p>False (B)</p> Signup and view all the answers

What is the function of the dictionary unit in Treisman’s model?

<p>To activate stored words based on their threshold levels.</p> Signup and view all the answers

In stimulus selection, __________ characteristics like pitch and speed are analyzed first.

<p>physical</p> Signup and view all the answers

Which factor does NOT typically influence eye movements according to the content?

<p>Weather conditions (B)</p> Signup and view all the answers

High cognitive load allows for more efficient multitasking.

<p>False (B)</p> Signup and view all the answers

What is the primary role of the filter in Broadbent's Early Selection Model?

<p>To allow only the attended message to pass through for further processing.</p> Signup and view all the answers

The phenomenon where individuals fail to notice a change in their environment while focusing on something else is known as __________.

<p>change blindness</p> Signup and view all the answers

Which of the following describes the relationship between memory-set size and response time?

<p>Response time increases as memory-set size increases (B)</p> Signup and view all the answers

Flashcards

Early Selection Effect

Attention filters out irrelevant stimuli early in processing. Task-relevant stimuli pass through, distractors are largely excluded.

Late Selection Effect

Attention filters out irrelevant stimuli later, after initial processing. Distractors are processed, but their influence on behavior is blocked.

McKay's Late Selection Model

Information is processed at a deep level (meaning) before the relevant message is selected.

Cognitive Resources

The mental capacity available for carrying out tasks. A limited pool that tasks compete.

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Cognitive Load

The amount of cognitive resources needed for a task. Low-load tasks require less mental effort than high-load tasks.

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Low Perceptual Load

Tasks that don't fully utilize cognitive resources. Extra capacity available for irrelevant stimuli.

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High Perceptual Load

Tasks that fully engage cognitive resources, leaving no mental capacity for distractions.

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Flanker Compatibility Task

A task where participants are to ignore irrelevant stimuli (flankers) while focusing on a primary stimulus (target).

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Stroop Effect

Task-irrelevant information (e.g., word meaning) can interfere with an intended response (e.g., color).

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Automaticity

Processing done efficiently and without conscious effort, often from extensive practice.

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Divided Attention

The ability to pay attention to more than one task/stimulus.

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Inattentional Blindness

Failing to notice a visible stimulus when attention is focused elsewhere.

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Change Blindness

Failing to notice changes in a visual scene when attention is not directed toward the change.

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Exogenous Attention

Involuntary attention capture by a salient stimulus (e.g., loud noise, bright light).

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Endogenous Attention

Voluntary allocation of attention to a specific stimulus or location, guided by goals.

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Selective Attention

Focusing on one specific thing (location, object, or message) while ignoring others.

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Overt Attention

Moving your eyes to shift attention from one place to another.

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Covert Attention

Shifting attention without moving your eyes. Like looking at a bird without moving your head.

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Cherry's Dichotic Listening

Experiment where different messages played into each ear. Participants focused on one message (shadowing) and ignored the other.

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Broadbent's Filter Model

Incoming information first passes through a filter based on physical characteristics. Important signals pass through, others are discarded.

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Attenuator (Treisman's Model)

In Treisman's model, the attenuator analyzes messages based on physical features, meaning and language.

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Dictionary Unit (Treisman's Model)

Stores words with thresholds. Words & names have low thresholds.

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Cocktail Party Effect

Ability to focus on one conversation while hearing your name in other conversations.

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Input Attention

Information processed automatically, often unconsciously.

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Shadowing

Repeating a message out loud as you are hearing it. Used in dichotic listening tasks to measure attention.

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Attenuator

In Treisman's model, it analyzes messages based on features like pitch, language, and meaning, weakening unimportant information.

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Dictionary Unit

Stores words, each with a threshold for activation. Common words or important ones have low thresholds, meaning they're easier to notice.

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Early Selection

Attention filters out irrelevant stimuli early in processing, before they are fully analyzed. Task-relevant stimuli pass through, distractors are largely excluded.

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Late Selection

Attention filters out irrelevant stimuli later, after they have already been processed at least partially. Distractors are processed, but their influence on behavior is blocked.

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McKay's Model

Incoming information is processed to a deep level (meaning) before being selected for further attention. It's not just about physical characteristics.

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Flanker Task

Targets with distracting flanking stimuli. Targets and flankers sometimes have conflicting response instructions.

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Sensory Memory

Briefly holds all incoming information for a fraction of a second.

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Filter (Broadbent)

Selects the attended message based on its physical characteristics, like speaker's voice, pitch, or speed.

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Detector

Processes the attended message to understand its meaning.

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Pre-attentive Analysis

Initial stage of processing where all messages are analyzed to identify the attended one.

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Compatible Flanker

A distractor that has the same response as the target, making the task easier.

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Incompatible Flanker

A distractor that has a different response than the target, slowing down the task.

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Controlled Processing

Paying close attention to a task, requiring deliberate effort and conscious control.

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Memory Search Task

Studies how quickly we can find an item in our memory based on the number of items in the memory and in the current display.

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Varied Mapping Condition

The rules of a task change from trial to trial, making it more difficult to learn and perform.

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Stimulus Salience

How noticeable or attention-grabbing a stimulus is, influencing where our eyes focus.

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Study Notes

Attention

  • Attention is the ability to focus on specific stimuli or locations
  • Selective attention: focusing on one specific location, object, or message
  • Overt attention: shifting attention by moving the eyes
  • Covert attention: shifting attention without moving the eyes (e.g., seeing something "out of the corner of the eye")
  • Divided attention: attending to multiple things simultaneously (can be overt, covert, or a combination)

Early Studies: Results & Consequences

  • Limited capacity: inability to identify multiple messages at once
  • Effective selectivity: ability to identify one message when differences are in physical characteristics (e.g., different tones of voice). Difficulty identifying messages when differences are contextual

Selective Attention as Filtering

  • Cherry's Dichotic Listening Experiment:
    • Participants listened to different messages in each ear and were instructed to shadow (repeat aloud) one message.
    • Results: People could attend to only one message.
    • Information from the unattended ear was minimally processed (crude characteristics like gender, tone were noted).

Broadbent's Early Selection Model (Bottleneck)

  • Sensory memory: holds incoming information briefly.
  • Filter: selects the attended message based on physical characteristics (e.g., tone, pitch, speed of speech).
  • Detector: processes the attended message, extracting meaning.

Treisman's Attenuation Model

  • Selection occurs in two stages:
    • Pre-attentive analysis: analyzes all incoming information, including unattended, but at low intensity (attenuated).
    • Dictionary unit stage: critical, meaningful information is passed through a dictionary unit containing words with thresholds for activation (e.g., person's name).

Controlling Distractors

  • Early selection: focuses on task-relevant stimuli, excluding distractors.
  • Late selection: focuses on task-relevant stimuli, preventing distractors from interfering with behaviors or memory.

Cognitive Resources, Cognitive Load, & Task-Irrelevant Stimuli

  • Cognitive resources: limited capacity for cognitive tasks.
  • Cognitive Load: amount of resources needed for a task.
    • Low load: easy, well-practiced tasks.
    • High load: difficult, less-practiced tasks.
  • Distractor effects: more significant with low cognitive load conditions than high ones.
  • Flanker Compatibility Task: demonstrates attentional effects with compatible and incompatible flankers.

Divided Attention

  • Automaticity: occurs with well-practiced tasks allowing for processing without conscious awareness.
  • Divided attention: ability to process multiple tasks at once.
  • Processing limitations: some cognitive tasks cannot be processed automatically.
  • Allocation of resources: the amount of cognitive resources/attention focused on a task.

Stroop Effect

  • Task-irrelevant stimuli (e.g., words with colors): automatic responses to highly practiced tasks can hinder processing and response times.

Attention & Visual Perception

  • Inattentional blindness: difficulty detecting unexpected or unimportant changes.
  • Visual perception: attention is focused on one thing at a time which affects visual perception.

Change Detection

  • Change detection: ability to notice changes in scenes.
  • Importance of attention: attention is necessary for noticing changes.

Eye Movements & Attention

  • Eye fixations: brief pauses in eye movements.
  • Saccadic eye movements: rapid movements between fixations.
  • Stimulus salience: perceptual features that capture attention.
  • Meaning attracts attention: top-down factors (prior knowledge and goals) affecting eye movements.

Attention in Social Situations (Autism)

  • Importance of attention for social interactions.
  • Difficulties in social situations: decreased attention to others, difficulties with social cues and understanding.

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